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Dynakit Stereo 70 Refurb
#5

Codefox1;

Yes, that will be one of the steps of the restoration. Also the leaves of the transformers need to be brushed with a wire brush and repainted too. There is still a lot to be done. I just sent another order to Mouser Electronics for some additional resistors and some electrolytics for the power supply. I plan to use tubular electrolytics under the chassis and will probably leave the existing can where it is. The existing electrolyic began at a relatively low 360VDC at the filter section the output of the choke connects to and gradually increased to about 390VDC over about 10 minutes. I do not trust the existing can electrolytic.

As to what finish to put on the transformer bells, I might go with a different finish than the black normally used. I am considering using some of the satin nickel I used on the Philco 40-201 I restored. Alternatively there is an "almost chrome" paint available that would make the transformer bells look almost like the nickel plating on the chassis.

I plan to make some detailed impedance measurements on the two transformers before I install a new transformer. It will be interesting to see how much different the two measure in that way.

Joe


Messages In This Thread
Dynakit Stereo 70 Refurb - by Joeztech - 08-24-2014, 07:01 AM
RE: Dynakit Stereo 70 Refurb - by Phlogiston - 08-24-2014, 10:01 AM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 08-24-2014, 10:34 AM
RE: Dynakit Stereo 70 Refurb - by codefox1 - 08-25-2014, 01:30 AM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 08-25-2014, 06:31 AM
RE: Dynakit Stereo 70 Refurb - by Phlogiston - 08-25-2014, 10:07 AM
RE: Dynakit Stereo 70 Refurb - by gregb - 08-25-2014, 05:15 PM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 08-26-2014, 04:32 PM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 08-30-2014, 03:45 PM
RE: Dynakit Stereo 70 Refurb - by Ron Ramirez - 08-31-2014, 07:49 AM
RE: Dynakit Stereo 70 Refurb - by Pillo69 - 08-31-2014, 10:21 AM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 09-02-2014, 09:10 AM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 09-04-2014, 08:10 AM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 09-05-2014, 01:17 PM
RE: Dynakit Stereo 70 Refurb - by Ron Ramirez - 09-05-2014, 01:44 PM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 09-05-2014, 02:09 PM
RE: Dynakit Stereo 70 Refurb - by Ron Ramirez - 09-05-2014, 02:13 PM
RE: Dynakit Stereo 70 Refurb - by Arran - 09-07-2014, 02:08 AM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 09-07-2014, 06:46 AM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 09-08-2014, 02:20 PM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 09-08-2014, 05:34 PM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 09-13-2014, 10:46 AM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 09-14-2014, 07:54 PM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 09-17-2014, 04:07 PM
RE: Dynakit Stereo 70 Refurb - by Ron Ramirez - 09-18-2014, 07:48 AM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 09-18-2014, 11:57 AM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 09-19-2014, 02:38 PM
RE: Dynakit Stereo 70 Refurb - by Pillo69 - 09-19-2014, 07:39 PM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 09-21-2014, 07:23 PM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 09-23-2014, 05:25 PM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 11-15-2014, 08:06 AM
RE: Dynakit Stereo 70 Refurb - by thirtiesradio - 12-22-2014, 09:04 PM
RE: Dynakit Stereo 70 Refurb - by Joeztech - 12-23-2014, 07:31 AM
RE: Dynakit Stereo 70 Refurb - by thirtiesradio - 12-23-2014, 12:53 PM
RE: Dynakit Stereo 70 Refurb - by Phlogiston - 04-18-2015, 06:36 PM



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